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A worker painting the siding, so it is no longer brown, but a light grey color.

How to Paint Aluminum Siding

Most people are unaware that weathered aluminum siding is an excellent surface for painting. A new coat of paint allows the home or building owner to change the color of the siding and to revitalize a dingy and dull appearance, without the substantial expense of re-siding.

The key to painting aluminum siding is preparation and priming. All of the chalkiness must be washed and scrubbed off, and any flaking paint removed. In a nutshell, you need to start with a clean palette.
Once everything is clean and dry, you’re ready to apply your primer. Here’s where a lot of people make a mistake and, unfortunately, this thing “professional” painters do. They apply a latex primer.

This is probably the worst thing you can do when painting aluminum siding. Most latex paint has ammonia in it, and that includes primer. Ammonia has a chemical reaction to aluminum, which produces a tiny amount of gas.

Latex paint, by nature, is very elastic, so you end up with an elastic coating with gas bubbles underneath it. The gas build-up under the latex primer pushes up and out, which bubbles and flakes the top coat, in other words, it causes the paint to fail.

The solution is to use an oil-based primer specifically designed for metal surfaces. You will have to wait longer for an oil primer to dry, but it’s better than has to re-do everything within a year or two.
Once the primer is dry, top coat with 100% acrylic paint. If you take this approach to your aluminum siding paint project, you’ll have a long-lasting finish you can be proud of.

Need emergency painting, Call Blue Nail today. Blue Nail can give you a fresh look by painting your wood, asbestos, or aluminum siding. Blue Nail work with premier exterior paints such as Benjamin Moore – Regal Select that offers one of the strongest warranties in the industry.

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